1491: New Revelations of the Americas Before Columbus

In a book that startles and persuades, Mann reveals how a new generation of researchers equipped with novel scientific techniques came to previously unheard-of conclusions. Among them: In 1491 there were probably more people living in the Americas than in Europe. Certain cities - such as Tenochtitlán, the Aztec capital - were far greater in population than any contemporary European city. Furthermore, Tenochtitlán, unlike any capital in Europe at that time, had running water, beautiful botanical gardens, and immaculately clean streets. The earliest cities in the Western Hemisphere were thriving before the Egyptians built the great pyramids. Pre-Columbian Indians in Mexico developed corn by a breeding process so sophisticated that the journal Science recently described it as "man's first, and perhaps the greatest, feat of genetic engineering". Amazonian Indians learned how to farm the rain forest without destroying it - a process scientists are studying today in the hope of regaining th